St. Mary Reservoir, AB

Weather Forecast

Tue, Apr 21. Next 3 days: Mix of rain and snow. Temp high +21°C, low -2°C. Strong wind on Wed and Thu, up to 40 km/h.

Tue
21 		Wed
22 		Thu
23 		Fri
24 		Sat
25
AM PM night AM PM night AM PM night AM PM night AM PM night
Cloud cover, %%
Max temp, °C 17 21 20 14 13 6 1 4 3 -1 1 0 -1 1 0
Min temp, °C 12 19 15 11 7 1 0 2 -2 -2 -1 -2 -3 -1 -2
Rain, mm - - - - 3 7 1 1 - - - - - - -
Snow, cm - - - - - - - - 1 1 - - 1 - 2
Wind avg, km/h 15 5 15 25 40 35 30 20 20 20 25 10 10 15 15
Humidity, %% 30 20 30 50 60 70 60 50 60 60 50 70 80 70 80
Freezing level, m 3300 3400 3500 3300 2600 1600 1200 1400 1100 700 1100 700 400 1100 800
Cloud
cover		 °C Rain
mm		 Snow
cm		 Wind
km/h		 Humid
%%		 Freeze
m
21 Tue
21
Tue 		AM 14 - - 15 30 3300
PM 21 - - 5 20 3400
night 15 - - 15 30 3500
22 Wed
22
Wed 		AM 12 - - 25 50 3300
PM 13 3 - 40 60 2600
night 1 7 - 35 70 1600
23 Thu
23
Thu 		AM 0 1 - 30 60 1200
PM 4 1 - 20 50 1400
night -2 - 1 20 60 1100
24 Fri
24
Fri 		AM -2 - 1 20 60 700
PM 1 - - 25 50 1100
night -2 - - 10 70 700
25 Sat
25
Sat 		AM -2 - 1 10 80 400
PM 1 - - 15 70 1100
night -2 - 2 15 80 800

  1. Each time period answers the question: "If I go at <XX>, what is the weather that I should expect?". So, approximately:
    • AM - from 4am till noon
    • PM - from noon till 8pm
    • night - from 8pm till 4am next day
  2. Wind arrow shows direction of air flow. So arrow pointing up means wind from south to north; arrow pointing right means wind from west to east.
Location Alberta,
15 km from Cardston
Altitude 1098 m